5th meridian
# 5th meridian

5th meridian may refer to:

* 5th meridian east, a line of longitude east of the Greenwich Meridian
* 5th meridian west, a line of longitude west of the Greenwich Meridian
* The Fifth Principal Meridian in Arkansas, Iowa, Minnesota, Mississippi, North Dakota and South Dakota, United States, 91°03'42" west of Greenwich
* The Fifth Meridian of the Dominion Land Survey in Canada, 114° west of Greenwich
* Meridian 5; the fifth satellite in the Meridian series of communications satellites
